/* Referanslar Sayfası Stilleri */
.section-padding {
    padding: 80px 0;
}

.bg-light {
    background-color: rgba(255, 255, 255, 0.02);
}

.text-center {
    text-align: center;
}

.section-header {
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 36px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.section-header p {
    font-size: 18px;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* Filtre Butonları */
.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    color: var(--text-light);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    border-color: transparent;
    box-shadow: 0 10px 20px rgba(75, 107, 251, 0.3);
}

/* Referanslar Grid */
.references-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.reference-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    opacity: 1;
}

.reference-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.reference-logo {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    padding: 15px;
    background: white;
    border-radius: 10px;
}

.reference-logo img {
    max-height: 50px;
    max-width: 80%;
    object-fit: contain;
}

.reference-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.reference-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
}

.reference-category {
    font-size: 14px;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.reference-category i {
    margin-right: 8px;
}

.reference-description {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-light);
    margin-bottom: 20px;
    flex-grow: 1;
}

.reference-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.reference-year {
    font-size: 12px;
    color: var(--text-light);
    background: rgba(255, 255, 255, 0.05);
    padding: 5px 10px;
    border-radius: 20px;
}

.reference-link {
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.reference-link i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.reference-link:hover {
    color: var(--secondary-color);
}

.reference-link:hover i {
    transform: translateX(3px);
}

.reference-tag {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #ff9800, #ff5722);
    color: white;
    font-size: 12px;
    padding: 5px 10px;
    border-radius: 20px;
    font-weight: 500;
}

/* Müşteri Yorumları */
.testimonials-slider {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin: 20px;
    position: relative;
}

.testimonial-card:before {
    content: '\f10d';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    top: 30px;
    left: 30px;
    font-size: 24px;
    color: rgba(75, 107, 251, 0.2);
}

.testimonial-content {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 30px;
    position: relative;
    z-index: 2;
    padding-left: 40px;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 20px;
    border: 3px solid rgba(255, 255, 255, 0.1);
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-info h4 {
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--text-color);
}

.author-info p {
    font-size: 14px;
    color: var(--text-light);
}

/* İstatistikler */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 30px;
    transition: transform 0.3s ease, opacity 0.3s ease;
    text-align: center;
    opacity: 1;
}

.stat-card:hover {
    transform: translateY(-10px);
}

.stat-icon {
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.stat-number {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.stat-text {
    font-size: 16px;
    color: var(--text-light);
}

/* CTA Bölümü */
.cta-content {
    padding: 60px;
    text-align: center;
}

.cta-content h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto 30px;
    color: var(--text-light);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Animasyonlar */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* Responsive */
@media (max-width: 992px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .references-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-buttons {
        flex-wrap: wrap;
    }
    
    .filter-btn {
        margin-bottom: 10px;
    }
    
    .testimonial-card {
        padding: 30px;
    }
    
    .testimonial-content {
        font-size: 16px;
        padding-left: 20px;
    }
}

@media (max-width: 576px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 15px;
    }
}